Drew Callahan · January 7, 2026
Diesel Engine Oil Service for TIFFIN ZEPHYR I was three weeks into a stretch through the high desert when the oil pressure gauge started creeping lower than it should on flat ground. Nothing dramatic—just enough that I knew something had shifted. Pulled into a dusty BLM lot outside Moab, popped the engine hatch, and realized … Read more
Drew Callahan · January 7, 2026
Air Brake System Maintenance for TIFFIN ZEPHYR You’ll get two completely different stories about Zephyr air brake maintenance depending on who you ask. Dealers will tell you that factory intervals are fine and that moisture in your lines is normal wear. The forums full of owners who’ve actually owned these rigs will tell you that’s … Read more
Drew Callahan · January 6, 2026
Slide-Out Hydraulic Service for TIFFIN ZEPHYR I was parked at a campground near Moab when I first heard it—a grinding sound underneath the coach, rough and metallic, the kind that makes you turn off the music and pay attention. Turned out one of my slides was moving maybe two inches per cycle, and when I … Read more
